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(!!!!) (Best 5691 Pair) 5691 RCA red base black plates NOS 1954-1958 (2.2/2.1ma and 2.2/2.1ma) 1-2% matched

(!!!!) (Best 5691 Pair) 5691 RCA red base black plates NOS 1954-1958 (2.2/2.1ma and 2.2/2.1ma) 1-2% matched

By Tube World

$ 349.99

1 low noise pair) 5691 RCA red base black plates NOS same build

1 tube) 2.2/2.1ma (4-17=1954) branded GL-5691 GE

1 tube) 2.2/2.1ma (58-04=1958) 

 

best 6SL7GT sub

very smooth sound, low noise

(Good Ma Current Range = 2-3ma)

 

Recommended for

- Ampeg Heritage B-15
- Alessandro Itallian Greyhound jazz amp
- Alessandro Black and Tan 2005
- Almarro A318B
- Eddie Current

 

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